First model-light constraints on Ω_R + 3Ω_Q from Pantheon+ and BAO reconstructions are consistent with flat FLRW yet too broad to exclude percent-level backreaction.
arXiv:2505.23526 [astro-ph]
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A multi-bin simultaneous dipole fitting method yields higher Bayes factors than single flux-cut approaches for non-power-law luminosity functions in cosmic dipole measurements.
Derives a unified partial differential equation for perturbations in Bianchi cosmologies and computes the CMB power spectrum for a toy Bianchi V model.
Reassessment of the CatWISE2020 quasar dipole with comprehensive simulations lowers the anomaly significance from 4.9σ to 3.27–3.63σ but leaves it unexplained by clustering or mask effects alone.
Under explicit auxiliary structural postulates, Generalized Trace Dynamics yields a candidate CSL-type collapse-noise two-point function with a narrow Wightman line at twice the Hubble scale.
citing papers explorer
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A First Observational Assessment of Cosmic Backreaction Over an Extended Redshift Range
First model-light constraints on Ω_R + 3Ω_Q from Pantheon+ and BAO reconstructions are consistent with flat FLRW yet too broad to exclude percent-level backreaction.
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The Ellis and Baldwin test of the Cosmic Dipole: Exploring the impact of multiple flux density cuts
A multi-bin simultaneous dipole fitting method yields higher Bayes factors than single flux-cut approaches for non-power-law luminosity functions in cosmic dipole measurements.
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Exploring the CMB in Anisotropic Universes
Derives a unified partial differential equation for perturbations in Bianchi cosmologies and computes the CMB power spectrum for a toy Bianchi V model.
-
The CatWISE2020 Quasar dipole: A Reassessment of the Cosmic Dipole Anomaly
Reassessment of the CatWISE2020 quasar dipole with comprehensive simulations lowers the anomaly significance from 4.9σ to 3.27–3.63σ but leaves it unexplained by clustering or mask effects alone.
-
Candidate collapse-noise correlators from Generalized Trace Dynamics: a Hubble-scale spectral line under structural assumptions
Under explicit auxiliary structural postulates, Generalized Trace Dynamics yields a candidate CSL-type collapse-noise two-point function with a narrow Wightman line at twice the Hubble scale.